1140000013181 has 2 divisors, whose sum is σ = 1140000013182. Its totient is φ = 1140000013180.

The previous prime is 1140000013171. The next prime is 1140000013247. The reversal of 1140000013181 is 1813100000411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117955187556 + 22044825625 = 1057334^2 + 148475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140000013181 - 2²⁶ = 1139932904317 is a prime.

It is a super-2 number, since 2×1140000013181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140000013171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570000006590 + 570000006591.

It is an arithmetic number, because the mean of its divisors is an integer number (570000006591).

Almost surely, 2^{1140000013181} is an apocalyptic number.

It is an amenable number.

1140000013181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140000013181 is an equidigital number, since it uses as much as digits as its factorization.

1140000013181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 1140000013181 its reverse (1813100000411), we get a palindrome (2953100013592).

The spelling of 1140000013181 in words is "one trillion, one hundred forty billion, thirteen thousand, one hundred eighty-one".